Draft regulator



May 1, 1923. 1,453,757

. F. c. E'VANS DRAFT REGULATOR Filed Nov. 26. 1921 2 Sheets-Sheet 1 f' 12W? dive;

May 1, 1923. 1,453,757

F. c. EVANS DRAFT REGULATOR Filed Nov. 26, 1921 2 Sheets-Sheet 2 I F i i .2 I l I i 1 L F a g y ;7' I

1*. g y I r p I 'q vi ii'ittg Z l/ f q 4 Zia .4. I

I JVVUQYJOG E25 '6, ZZZ/6216i f I mg gg g m stack and the furnace, said means being op-l Patented May 1, 1923.

FREDERICK 0. Evans, or IrHAcA, NEW YO DRAFT REGULATOR.

Application filed November 26, 1921. Serialllo. 517,932.

To all whom it may concern:

Be it known that I, FREDERICK C, EVANS, a citizen of the United States, residing at Ithaca, in the county of Tompkins and State v of New York, have invented certain new and useful Improvements in Draft. Regulators; and I do hereby declare the following to be a. full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to new anduseful improvements in draft regulators and more particularly to a device for cont'rolling the draft between the air intake, the smoke outthe ash-pit of a furnace and further pro- I vided with means whereby this closure means may be swung outwardly away from the door of the ash pit when removing the ashes.

A further I and arranged whereby the cold foul air from the living rooms of a dwelling will be taken off through the outlet pipe or chimney connected with the furnace.

A still further object of thepresent inven tion is the provision of a'draft regulator for controlling the draft between the air intake pipe and the furnace and between the smoke erated simultaneously throughsuitable means extending upwardly into the rooms 1 above the furnace chamber.

With'the'above and other objects in view,

the invention. consists in the novel features of construction, combination and arrangement of parts hereinafter more fully set forth, pointed out in the claims and shown in the accompanyingdrawings, in which Figure 1 is a front elevation of a draft re nlating device constructed in accordance with my invention object of the invention is the provision of a draft regulator so constructed.

Fig. 2 is a top plan view;

Fig. 3 is a vertical section taken on line of "Fig. 1, and

Flg. it 1S a horizontal sectional view. Referring now more particularly to the drawings, the'numeral 1 indicates afurnace which may be of any well'known type pro-, vided with a suitable door opening for gaining access to the ash-pit of the furnace and in applying my invention to the furnace I prefer to arrange the same adj acent'one side of the furnace body 1 as illustrated in Figs. land2. ported'by. means of a standard 2, the lower end of which isembedded within theconcrete 3 which usually forms the flooring -of 'afcellar or furnace room. This standard 2 extends upwardly through theupright por The mainbody of the regulator. is sup t'ion of the regulator and has mounted upon its upper end a supporting wheel 4 to which the downwardly projecting end 5 of the mam pipe issecured to support this pipe walls of therotatable portion? of the upright pipe whereby the upright pipe "7 may be rotated independent of the standard 2 and the section 5. In order to retain .the fpo in its pro-per i relative position. Loosely mounted upon the standard 2is a second supporting wheel 6, the periphery .of which is Socured in any suitable'manner to the inner ti'on 7 in its proper relative position upon the 1 standard 2, suitable bearing sleeves8 are provided and mounted upon the standard 2, said sleeves being arranged upon oppos te sides of the wall atthe lower end of the 'po'r tion'7 or within the horizontal portion'9.

' The horizontal. portion 9, as shown in Figsfil and 2, terminates into a' housing 10, one wall of which is cut away to form-communication with the opening into the ash pit of the furnace 1 whereby direct communication may .be readily established betweenv the regulator and the interior of the furnace.

The main pipe 11 of the draft regulator which is provided with a down. turn'ed'end 5 has communicating therewith an'inlet pipe 12, said inlet pipe communicating with the rooms of the dwelling Wliereby'totake .off

the foul air. I In orderto control the air in-. let to the ash pit of' thelfurnace spaced damper plates 13 and Marc mounted within the pipe 11 in. alignment with eaclrother.

These damper plates are connected attheir outer edges by means of a rod 15, said rod being of sufficient length to operate the damper plates so that when one is in an open position, the other will be in a closed position as illustrated in Figure From the showing in Fig. 3, it will be noted that the damper plate 13 is in an open position admitting the foul air from the rooms through the pipe 12 into the ash pit of the furnace 1, passing through the extension 5 and the movable section 7. Should it be desired to cut off the draft from the pipe 12 and direct the same into the pipe 11, the posit-ion of the damper plates is reversed, closing the damper 13 transversely across the pipe 11 and moving the damper 14 to a horizontal position, this position being illustrated in dotted lines in F 3. I

In order to impart movement to the damp or plates 13 and 1 1 when so desired, an arm 16 is connected to the pivot shaft 17 of the damper 13, said arm extending at right angles to the shaft 17 and provided with a weight 18 whereby to normally retain the damper 13 in a closed position and the damper 1 1 in an open position. The opening and closing of the dampers 13 and 14 is controlled through the medium of a connecting chain 19, the lower end of which is connected with the arm 16, while the upper end thereof extends upwardly into any convenient room above the basement of the dwelling whereby the occupant of the dwelling may readily control the inlet of 7 air to the ash it of the furnace or be operated by a thermostat.

The housing 10 formed at the outer end of the portion 9 is supported in a horizontal position by means of a brace rod 20, the upper end of said rod being bolted or otherwise secured to the upright portion 7 at the point whereby the same is secured to the supporting wheel 6, the lower end of said rod being connected to the upper side of the housing 10. From this it will be apparent that when it is desired to gain entrance to the ash pit of the furnace, the rod 20 may be grasped and by pulling outwardly, the section 7 will rotate upon the standard 3, moving the housing 10 away from the opening to the ash pit so that the ash pit may be cleaned or access thereto for any other suitable purpose. It will be noted I that in order to form-asuitable connection.

between the main pipe 11 and the upright portion 7, the downwardly projecting end 5 of the pipe 11 extends into the upper end of the upright pipe 7 a suitable distance and as the wheel 6 is loosely mounted upon the upright standard 2, the section 7 together with the horizontal portion 9 and the housing 10 will rotate upon the standard 2 when it is desired to open and close communication with the ash pit.

From the above description taken in connection with the accompanying drawings, it will be readily apparent that the operation of my improved draft regulator is as follows:

Should it be desirable to admit adraft into the fire box of the furnace 1, from the air pipe 12, the chain 19 would be manipulated through disengaging the same from a hook or other support from the living portion of the dwelling: in which the chain may be located, and by pulling upwardly upon the chain 19 against the weight 18, the damper 13 will be moved to an open position and the damper 14 to a closed position as illustrated in Fig. 3. A direct communication between the air inlet 12 and the ash pit of the furnace is then established. After the fire has gained considerable headway, and it is desired to close the draft, the chain 19 is released, the weight 18 moving the arm 16 downwardly, closing the damper l3 and opening the damper 14; whereby to direct the air out through the pipe 12. Should it be desired to gain access to the furnace ash pit, the housing 10 can be readily swung away from the entrance to the ash pit as previously set forth.

I claim:

1. The combination with a furnace having an opening communicating with the ash pit thereof, of a supporting standard arranged adjacent the furnace, rotatable tubular member mounted upon the standard I having a horizontal projection, a housing at the outer end of the rojection normally closing the opening in tlie furnace, an outlet pipe communicating with the rotatable member, an inlet pipe having communication with the main outletpipe at a point adjacent the rotatable member and means located within the outlet pipe and manually operated for controlling the passage of air from the inlet pipe to the furnace through the rotatable member and between the inlet pipe and the outlet pipe, as'and for thepurpose specified.

2. The combination with a furnace having an opening communicating therewith, of a. rotatably mounted outlet pipe having communication with the interior of the furnace through the opening, an inlet pipe connected to the outlet pipe and communieating with the interior thereof, damper plates mounted for swinging movement within the outlet pipe and disposed uponopposite sides of the inlet pipe and means for manually operating said damper plates whereby to open communication between'the inlet pipe and the furnace and close communication between the inlet pipe and the outlet pipe, said operating means a'lso'm oving the damper plates to close communication between the inlet pipe and the furnace and open communication between the inlet pipe and the outlet pipe, and means connecting said damper plates whereby: to actuate the same simultaneously.

3. The combination With 2. furnace h ving an opening therein, of a standard supported adjacent the furnace, a tubular member rotatably mounted upon said standard having a horizontal portion connected thereto, a housing at the outer end of tho i horizontal portion "cominunicMing with the. 1"

opening in the furnacev whereby said housing and tubular member may be-rotated' l upon the standard for opening and-closing communication to, the interior of thefur nace, as and for the purpose set forth,

In testimonyfwhereof I aflix my signature. v v

i-EREnEinoKo. EVANS} 

